78 lines
1.4 KiB
C++
78 lines
1.4 KiB
C++
#include "Camera.h"
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using namespace DirectX;
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Camera::Camera(float _x, float _y, float _z, float _aspect, float _fov, float _near, float _far)
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{
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transform.SetPosition(_x, _y, _z);
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aspect = _aspect;
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fovYRadians = XMConvertToRadians(_fov);
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clipNear = _near;
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clipFar = _far;
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UpdateViewMatrix();
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UpdateProjectionMatrix();
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}
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Camera::~Camera()
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{
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}
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void Camera::Update(float _dt)
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{
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transform.TranslateRelative(0, 0, _dt);
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UpdateViewMatrix();
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}
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void Camera::UpdateViewMatrix()
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{
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XMFLOAT3 worldUp = XMFLOAT3(0, 1, 0);
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XMMATRIX view = XMMatrixLookToLH(XMLoadFloat3(&transform.GetPosition()), XMLoadFloat3(&transform.GetForward()), XMLoadFloat3(&worldUp));
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XMStoreFloat4x4(&viewMatrix, view);
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}
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void Camera::UpdateProjectionMatrix()
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{
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XMMATRIX projection = XMMatrixPerspectiveFovLH(fovYRadians, aspect, clipNear, clipFar);
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XMStoreFloat4x4(&projectionMatrix, projection);
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}
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Transform* Camera::GetTransform()
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{
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return &transform;
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}
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DirectX::XMFLOAT4X4 Camera::GetViewMatrix()
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{
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return viewMatrix;
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}
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DirectX::XMFLOAT4X4 Camera::GetProjectionMatrix()
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{
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return projectionMatrix;
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}
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void Camera::SetAspect(float _aspect)
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{
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aspect = _aspect;
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UpdateProjectionMatrix();
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}
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void Camera::SetFOV(float _fov)
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{
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fovYRadians = XMConvertToRadians(_fov);
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UpdateProjectionMatrix();
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}
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void Camera::SetNearClip(float _near)
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{
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clipNear = _near;
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UpdateProjectionMatrix();
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}
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void Camera::SetFarClip(float _far)
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{
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clipFar = _far;
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UpdateProjectionMatrix();
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}
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